From a 12 lb keg of C-300"----Target Loads 23/4 Dram Eqv 17.5 grs----3 Dram eqv 19 grs"-------from a bag of CIL C-112 shotgun wads QUOTE "----suggested loads using C-300 powder & CIL hulls were obtained under laboratory conditions"---"11/8 oz.shot 23/4 dr equiv.17.5 gr C-300--3dr equiv.18.5 gr.C-300" UNQUOTE-----having loaded THOUSANDS with this powder in a variety of hulls (ie CIL,WinAA(old),Rem Blue Magic,Rem STS etc) I encountered no problems---primers I used included Win 209,Cheddite,Fed 209---I currently have a bunch to shoot with 1oz of 8s and 19 grs C-300.---Of course I have no idea about your loading habits/conditions/components therefore the above is provided as information only for your use or not at your risk-----Damn I should have been a lawyer !! --Hope this helps ! CHEERS ! BENT BARREL